Sentences with phrase «kin selection»

The study highlights the important role of kin selection in evolution, where organisms are more inclined to favour others to the extent to which they are genetically related.

(The geneticist J.B.S. Haldane, who explored early concepts of kin selection in the 1930s, is sometimes alleged to have joked that, as a human being, he would lay down his life for two brothers or eight cousins.)

To see how this so - called kin selection theory might apply to adoptive parents, researchers compared data on 135 pairs of «virtual twins» — siblings about the same age consisting of either one adopted child and one biological child or two adopted children.

Animal studies have revealed that many critters favor conspecifics that resemble them, a phenomenon called kin selection.

They were enchanted by kin selection because it appeared to have a basis in mathematics.

But I'm not so sure I pivoted that much on kin selection in Sociobiology.

Despite all this, your colleagues are digging in and defending kin selection with passion.

Biologist E. O. Wilson first put forward this idea of kin selection as an explanation for homosexuality in 1978, but for some time now it has been considered an unlikely scenario.

Nowak does identify a familiar kin selection in his model, where units are more likely to cooperate with other units which are directly related.

What I've done is to say that maybe collateral kin selection is not so important.

But that is not kin selection.

Instead of studying what's going on and seeking the best explanation, they start by looking for a test to demonstrate it's really kin selection.

It seems as if kin selection could actually damage the group.

You can have kin selection incidentally.

He didn't put kin selection into the equation.

«They're more likely to do this «less moral» thing if it's to save a relative,» Kurzban says, suggesting kin selection is at work as well as the basic «moral rule» against killing (Evolution and Human Behavior, DOI: 10.1016 / j.evolhumbehav.2011.11.002).

Biological kin selection means that organisms may be more willing to help others in relation to how many genes they share.

You published a paper on kin selection last year that caused a bit of controversy.

I have no problem with kin selection when it is properly formulated.

If you look carefully it turns out to be things like kin selection rebranded as group selection.

Such evolutionarily novel circumstances, the researchers argue, are creating conditions where the strong desire to be a parent — no matter the source of a child's genes — can override evolved, kin selection behaviors that might otherwise lead parents to invest more time and resources in their own offspring.

Wilson resolved the paradox by drawing on the theory of kin selection.

His latest study suggests there are moral rules that arose independently of those shaped by kin selection.

Nowak disagrees: He argues that so - called kin selection is just one of several mechanisms driving a more general impulse toward cooperation.

The fifth mechanism is a version of the familiar kin selection, the tendency to cooperate with blood relations.

For social insects, I'm presenting as much evidence as I can summon for each of the two opposing views: Either collateral kin selection is the key, or group selection favored by very unusual environments caused them to be altruistic.

Robert Kurzban suggests we have at least two parallel systems for deciding right and wrong: one based on kin selection...

Seen that way, it is difficult to understand why anyone attributed this kind of behavior to kin selection in the first place.

Yet a generation of sociobiologists built their research around the idea of kin selection.

Maybe there is some kin selection going there, but that's not what's causing the behavior of staying at home and helping.

Ostensibly altruistic behaviors — everything from sharing resources to laying down one's life to save others — can be explained by fundamentally selfish motives like reputational concerns (the desire to be seen in a positive light), kin selection (the desire to preserve one's genetic material, sometimes even at the cost of one's own life), or simply a desire to ease the personal discomfort that comes along with viewing others in distress.

Your new paper states that the mathematical underpinning of kin selection, called the Hamilton inequality, does not work.

Basic natural selection explains it; no kin selection required.

Now your colleagues are defending one of key tenets in your book — kin selection — while you try to dismantle it.

Many psychologists think that human moral rules are an extension of this «kin selection ``.

For example, unselfish behaviour can sometimes be explained by kin selection: in animals, the larger the degree of relatedness, the more likely they may be to help.

In dispatches from the Middle East, it is hard not to see the way that kin selection can organize people into tight - knit, warring clans.

The last one is kin selection, which can occur when you help a close relative.

My criticism is directed against the current use of inclusive fitness theory, which is the dominant mathematical approach used to study aspects of kin selection.

A cooperative living structure was more likely to be favoured when both parental genes were shared by siblings, a trait known as «kin selection.»

The study not only demonstrates that the influence of kin selection may stretch beyond that of nuclear and extended family groups thus promoting co-operation in large social groups, but it is also the first study to show that kin selection may promote the communal construction and maintenance of an animal - built physical structure.

For instance, the theory of kin selection — helping your relatives so your genes will be reproduced — can be illustrated by a formula called «Hamilton's rule,» which explains when a behavior or trait will be favored by natural selection.

I'm taking the idea of kin selection, and I've critiqued it.

KIN selection — the idea that individuals get their genes passed along by assisting close relatives to reproduce — helped solve one of evolution's trickiest puzzles: altruism.

According to his kin selection theory, the closer the relative, the greater this indirect benefit and, therefore, the more the helper should be willing to sacrifice in assisting that relative.

Called Hamilton's rule and kin selection, or inclusive fitness, the concepts have been standard fare in evolutionary biology textbooks for decades.

In one, a biologist explained the strengths and shortcomings of kin selection and group selection, and gave cool - headed evaluations of both the paper and its critics.

The empirical evidence that Jonathan Pruitt and Charles Goodnight have gathered and analyzed about Anelosimus spiders points to a mechanism that complements, but extends beyond, the scientific orthodoxy of «kin selection.»

This is part of the reason that many have suggested that kin selection, or at least its formulation as Hamilton's rule, might not be practically useful.